23:06The Arts HourAi Weiwei, Taylor Swift, Claudia RankineBBC World Service Duration: 50 minutes Mon 4th Jan 2016, 23:06 on BBC World Service Americas and the CaribbeanAi Weiwei on his time in prison Show more GenresFactualArts, Culture & the MediaArtsFormatsDiscussion & TalkBrandThe Arts Hour Source: BBC Online